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Quiriquina Formation

Coordinates: 33°30′S 71°42′W / 33.5°S 71.7°W / -33.5; -71.7
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Quiriquina Formation
Stratigraphic range: Late Maastrichtian
TypeGeological formation
Unit ofArauco Group
UnderliesLebu Group
OverliesGranitic rocks
Lithology
PrimarySandstone
OtherConglomerate
Location
Coordinates33°30′S 71°42′W / 33.5°S 71.7°W / -33.5; -71.7
Approximate paleocoordinates35°36′S 59°12′W / 35.6°S 59.2°W / -35.6; -59.2
RegionBío Bío, Concepción & Valparaíso Regions
Country Chile
ExtentArauco Basin
Type section
Named forQuiriquina Island
Named byBiró-Bagóczky
Year defined1982
Quiriquina Formation is located in Chile
Quiriquina Formation
Quiriquina Formation (Chile)

The Quiriquina Formation is a geological formation in Chile whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1] The glauconitic sandstones and conglomerates of the formation were deposited in a marine environment.[2]

Vertebrate paleofauna

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See also

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References

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  1. ^ a b Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, South America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 600-604. ISBN 0-520-24209-2.
  2. ^ Cocholgüe village, sea coast at Fossilworks.org
  3. ^ Quiriquina at Fossilworks.org

Further reading

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